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KHARKEVICH The history of the study of ganglionic substances begins with the paper of LANGLEY and DICKINSON (1889), who established the ability of nicotine to block the neurones in the superior cervical ganglion.
KHARKEVICH The history of the study of ganglionic substances begins with the paper of LANGLEY and DICKINSON (1889), who established the ability of nicotine to block the neurones in the superior cervical ganglion.